Question about component??

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This topic has 5 replies, 4 voices, and was last updated 13 years, 5 months ago by RAJI G.

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January 1, 2013 at 11:05 am #4796

mohammed
Participant

Hi every buddy

I wanna ask about this component ?? what is it ?? is it a resistor with three pins?? or what? See the pic

And the Crystal how much Hz??

thanks

January 2, 2013 at 7:29 am #8888

chetan
Participant

Dear,

Highlighted componant is variable resistor.

January 2, 2013 at 1:56 pm #8892

AJISH ALFRED
Participant

It is a variable resistor, with the middle pin can be slided in both directions to vary the resistance value across the middle pin and any of the other pin.

January 25, 2013 at 11:56 pm #9055

mohammed
Participant

OK .. but how much will be??? 25k ??

January 26, 2013 at 7:18 am #9058

AJISH ALFRED
Participant

Normally we use 10K

February 14, 2013 at 11:06 am #9137

RAJI G
Participant

dont confuse with those resistors.. that resistor for controling the contrast of lcd.. if u connected high resistance value contarast will be less and vice versa
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